
Q(7)9,f = mf ()  (f  f) ,    Q(7)10,f = mf (i5)  (f  f) .

The operators in Eqs. (REF )-(REF ) were
already used in Ref. [1]}. The full basis of
dimension-seven operators includes, in addition, the Rayleigh
operators coupling DM to two photon field strength tensors,


Q(7)11 = 12() 
F F ,    Q(7)12 =
12(i5)  F
F ,
